Patent 5548820: Antenna and feeder cable tester
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SEPARATE STATIONS : Having measuring, testing, or monitoring of system or part : Using a test signal : Plural receivers tuned to common frequency)

Patent 5548866: Cleaning solution applicator
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : MACHINES : With air blast or suction : With liquid or other cleaning material application to work : Air blast only (e.g., boiler soot-blower))

Patent 5548906: Vaporizing and concentration drying apparatus and method
(DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS : PROCESS : With contacting of material treated with solid or liquid agent : With regeneration or removal of treating agent : Treating agent is a liquid : With treatment of suspension or slurry : With gas or vapor treating (e.g., filtering or condensing))

Patent 5548994: Stator connector
(MEASURING AND TESTING : LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID : Viscosity : Force reactance to member driven therein : Rotationally driven member : With detail (e.g., circuitry) of a drive means or a detecting means)